| Patents for C21B 3 - General features in the manufacture of pig-iron (3,260) |
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| 02/02/2011 | CN101962694A Environment-friendly roller slag disposal device |
| 01/26/2011 | CN201722396U Grille device of metallurgical slag pot |
| 01/26/2011 | CN101956033A Method for improving pulverization and recovery rate of steel slag |
| 01/26/2011 | CN101956032A Environmentally-friendly drum slag treatment process |
| 01/26/2011 | CN101956031A Atomizing dust-removing system of environment-friendly drum-type slag processing equipment |
| 01/26/2011 | CN101608248B Slag condenser for preventing steel-making slag pulverization and slag condensing method |
| 01/19/2011 | EP2275580A1 Method and agent for treating raw iron desulphurisation slags |
| 01/19/2011 | CN101948939A Cooling method and cooling equipment for carbide slag |
| 01/13/2011 | DE102009026076A1 Kühlbett für Schlacken und Verfahren zum Kühlen von Schlacken Cooling bed for slag and method for cooling dross |
| 01/12/2011 | EP2272991A1 Method and agent for treating raw iron desulphurisation slags |
| 01/12/2011 | CN201704345U Sealed slag smoldering device |
| 01/12/2011 | CN101941074A Milling production line of steel slag micro powder |
| 01/06/2011 | US20110000338 Method and apparatus for detecting concavo-convex shape surface defects |
| 01/05/2011 | EP2270238A1 Cooling bed for slag and method for cooling slag |
| 01/05/2011 | CN101939451A Method and apparatus for processing red mud |
| 01/05/2011 | CN101629220B Blast furnace blowing material formed by processing bituminous coal with low metamorphic grade through pyrogenation and carbonization |
| 01/04/2011 | CA2502507C Spraying head for granulating installation |
| 12/30/2010 | DE102009038695B3 Verfahren zur Herstellung von Schlackengranulat und zur Wärmerekuperation aus flüssigen Schmelzen Process for the preparation of slag granulate and for heat recovery from liquid melts |
| 12/29/2010 | CN101928794A Metallurgical slag tank with novel structure and manufacturing method thereof |
| 12/29/2010 | CN101928793A Steel slag treatment method |
| 12/29/2010 | CN101613772B Method for recycling slag from non-blast furnace ironmaking by COREX smelting reduction process |
| 12/29/2010 | CN101538621B Molten iron pretreatment slag removing device and process thereof |
| 12/22/2010 | EP1587962B8 An improved smelting process for the production of iron |
| 12/22/2010 | CN101921884A Blast furnace slag dry-type sensible heat recovery system and production process |
| 12/22/2010 | CN101921883A Composite fluorine-free slag modifier |
| 12/22/2010 | CN101920136A Method and system for treating blast-furnace flushing slag water |
| 12/22/2010 | CN101545017B Ladle slag modifying agent |
| 12/22/2010 | CN101194028B Method for processing metallurgical slag |
| 12/15/2010 | EP2261383A1 Method, installation and machine to process ladle slag |
| 12/15/2010 | EP1929051B1 Ore reduction process and titanium oxide and iron metallization product |
| 12/15/2010 | CN201670845U High temperature solid slag sensible heat recovery device |
| 12/15/2010 | CN201670844U Treatment device for crushing melting steel slag in rolling manner under air-cooling condition |
| 12/15/2010 | CN201670843U Cycling water pool with temperature reduction control and water level balance functions |
| 12/15/2010 | CN201669082U Liquid-state furnace slag mechanical granulating and heat recovering device |
| 12/15/2010 | CN101914649A Iron reducing device by utilizing steel slag |
| 12/15/2010 | CN101914643A Adjustable expanded slag bead chute |
| 12/15/2010 | CN101914642A Waste heat recovery device for expanded slag balls |
| 12/15/2010 | CN101914641A Expansion slag bead casting drum |
| 12/15/2010 | CN101914640A Dry granulation and afterheat recovery system of blast-furnace slag |
| 12/15/2010 | CN101914639A Method for recycling iron on line from iron-containing industrial slag and preparing glass ceramics frit |
| 12/15/2010 | CN101914638A Method for treating iron slag at dead angles of iron plant |
| 12/08/2010 | CN201665686U Grain slag steam discharge device |
| 12/08/2010 | CN101906493A Steel slag stewing pond for processing high-temperature liquid iron oxide slag at large scale |
| 12/08/2010 | CN101906492A Method for preparing metallic iron and cement from converter slag |
| 12/08/2010 | CN101597658B Coal gasification system and method of blast furnace slags |
| 12/01/2010 | CN201660645U Water quenching pelletization device for thermometallurgy slag and sulfonium |
| 12/01/2010 | CN1856583B Method and device for producing slag into granules |
| 12/01/2010 | CN101898087A Method and device for converting and absorbing carbon dioxide and comprehensively utilizing waste heat of steel slag |
| 12/01/2010 | CN101665844B Method for preparing blast furnace slag micropowder by using sintering desulfuration byproducts as auxiliary materials |
| 12/01/2010 | CN101619367B Melting iron and steel slag heat energy recovery method and device |
| 11/30/2010 | US7842229 Substrate processing apparatus and substrate rotating device |
| 11/25/2010 | WO2010095904A3 Device for collecting sensible heat of blast furnace molten slag |
| 11/24/2010 | CN201648409U Tank for disintegrating steel-making high-temperature furnace slag |
| 11/24/2010 | CN201648408U Circulation processing device for blast-furnace slag |
| 11/24/2010 | CN201648407U Liquid blast furnace slag granulating device |
| 11/24/2010 | CN101892332A Energy-saving slag thermal insulator |
| 11/24/2010 | CN101890501A Processing method for crushing slag |
| 11/18/2010 | WO2010131658A1 Device for recovering heat of molten slag |
| 11/17/2010 | EP1439154B1 Cement admixture, cement composition, and cement concrete made therefrom |
| 11/17/2010 | CN201634693U Slag-pot supporting turnover frame |
| 11/17/2010 | CN201634692U Slag cooling water spray gun |
| 11/17/2010 | CN201634691U Melting steel slag particle atomization water-cooling device |
| 11/17/2010 | CN201634690U Slag dehydrator leak repairing part |
| 11/17/2010 | CN201634689U Liner of air lifting machine |
| 11/17/2010 | CN201634688U Internal screen of ironmaking blast furnace rotating drum |
| 11/17/2010 | CN201634687U Vanadium-titanium blast furnace slag metallic iron separating device |
| 11/17/2010 | CN101886150A Recycling method and system for steel ladle pouring afterheat-state steel slag |
| 11/17/2010 | CN101886149A High temperature liquid slag recovery method |
| 11/17/2010 | CN101886148A Method for recovering high-temperature molten slag |
| 11/10/2010 | CN101880737A System and method for recovering waste heat of continuous hot steel slag |
| 11/10/2010 | CN101880736A Preparation technology of superfine steel slag micropowder and production process |
| 11/10/2010 | CN101223290B Method and installation for slag granulation |
| 11/04/2010 | US20100275728 Method in connection with steel production |
| 11/03/2010 | CN101875984A Processing method and device of high-temperature solid steel slag |
| 11/03/2010 | CN101643803B Back washing technology for filtration flushing cinder simultaneously tapped from double tapholes in blast furnace bottom |
| 10/27/2010 | EP2243844A1 Improved method for recycling steel-plant dust |
| 10/27/2010 | EP2242860A2 Process for preparing a foaming slag former, product and use thereof |
| 10/27/2010 | CN101871025A Metallurgical molten slag dry-type processing device and processing method thereof |
| 10/21/2010 | US20100263485 Powder for sulphur-based flux-cored wire, flux-cored wire and method for producing a flux-cored wire using it |
| 10/20/2010 | CN201610433U 一种闷渣盖吊装装置 One kind of stuffy slag cover lifting device |
| 10/20/2010 | CN201610432U 一种闷渣用锁紧装置 One kind of bored with the locking device slag |
| 10/20/2010 | CN101864504A Method for raising air temperature of hot blast stove by recovering sensible heat of blast furnace slag |
| 10/20/2010 | CN101864501A Method for recycling iron from steel slag |
| 10/20/2010 | CN101862810A Cast used sand and slag recycling equipment |
| 10/13/2010 | CN201605277U 一种闷渣炉罐体 One kind of stuffy furnace slag tank |
| 10/13/2010 | CN201605276U 一种闷渣用密封阀 One kind of stuffy slag sealing valve |
| 10/12/2010 | US7812210 Closed construction for aerobic biodegradation of organic waste material; aeration/deaeration; waterproof, particle-tight tarpaulin, an air- and water vapor-permeable covering heaps to avoid harmful emissions into the surrounding during breakdown; air pollution control |
| 10/06/2010 | CN201598296U 炉渣破碎装置及半湿法炉渣处理系统 Slag crushing device and semi-wet slag handling system |
| 10/06/2010 | CN101850222A Mechanical granulation and heat recovery device of liquid slag |
| 10/06/2010 | CN101475998B Hot steel slag cracking method |
| 09/29/2010 | CN101845527A Method for accelerating the reduction of converter steel slag autoclaving and pulverization rate |
| 09/29/2010 | CN101845526A Method for controlling centrifugal granulation of molten blast furnace slag |
| 09/22/2010 | CN101838713A Method for processing blast furnace liquid slag and recycling energy and application thereof |
| 09/22/2010 | CN101597656B High temperature furnace slag sensible heat power generating method |
| 09/22/2010 | CN101597655B Blast furnace slag liquid grinding aid and preparation method thereof |
| 09/21/2010 | CA2440079C Production of products from steel slags |
| 09/15/2010 | EP2228458A1 Process and Apparatus for treatment of white steelmaking slags. |
| 09/15/2010 | CN201581089U Metallurgical furnace slag granulation safety device |
| 09/15/2010 | CN201581088U Slag processing system with semi-wet method |
| 09/15/2010 | CN101831516A Steel slag dry processing device and method |